a small or incomplete rainbow.
Origin of sundog
First recorded in 1625–35; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sundog
Will the rise of Sundog mean the demise of your adventure travel?
It wasn't the sundog, however, but the glass that warned them.The Iron Boys on the Ore Boats|James R. Mears
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"mock sun, parhelion," 1650s, of obscure origin.
Online Etymology Dictionary, © 2010 Douglas Harper